Form4insider filings, from the source

Company · CIK 0002079999 · SIC 1600 — Heavy Construction Other Than Bldg Const - Contractors · Nasdaq

Cardinal Infrastructure Group Inc. · CDNL

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $8.5M · 7sales $0 · 0net $8.5M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 13Aug 13Aug 14Aug 15Aug 16Aug 17Aug 18

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 17, 2026 PForm 4 →Aug 18, 5:26 pm EDTRichard Bennett WimmerDirector7,500$39.13$293,47529,349+34.3%
Aug 14, 2026 PForm 4 →Aug 17, 5:40 pm EDTRichard Melvin Lee Jr.Director34,000$36.82$1,252,04068,254+99.3%
Aug 14, 2026 PForm 4 →Aug 17, 5:39 pm EDTMichael Bruce Rowe Jr.Chief Financial Officer7,000$36.53$255,7107,000—
Aug 14, 2026 PForm 4 →Aug 17, 5:39 pm EDTAnthony Leon Wood Jr.Director51,400$39.36$2,023,07951,400—
Aug 14, 2026 PForm 4 →Aug 17, 5:38 pm EDTJeremy Simmons SpiveyChief Executive Officer, Director83,350$38.41$3,201,42883,350—
Aug 14, 2026 PForm 4 →Aug 17, 5:38 pm EDTIvy ZelmanDirector12,647$39.61$500,94832,891+62.5%
Aug 14, 2026 PForm 4 →Aug 17, 5:37 pm EDTBenjamin WoodChief Operating Officer25,700$39.48$1,014,59445,700+129%
Jun 5, 2026 AForm 4 →Jun 9, 5:00 pm EDTIvy ZelmanDirector1,817——20,244—
Jun 5, 2026 AForm 4 →Jun 9, 5:00 pm EDTRichard Melvin Lee Jr.Director1,941——34,254—
Jun 5, 2026 AForm 4 →Jun 9, 5:00 pm EDTAustin J ShanfelterDirector1,941——11,529—
Jun 5, 2026 AForm 4 →Jun 9, 5:00 pm EDTRichard Bennett WimmerDirector2,023——21,849—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.